.@HotmHayles @lankytwat Moaning Myrtle's full name was Myrtle Elizabeth Warren.

— J.K. Rowling (@jk_rowling) May 11, 2015

Nothing to do with the United States Elizabeth Warren I hasten to add! 'Elizabeth' is just one of those classic British middle names.

— J.K. Rowling (@jk_rowling) May 11, 2015

.@pableshiff @HotmHayles @lankytwat I'm laughing here... I already knew her surname was 'Warren' but I just thought 1/2

— J.K. Rowling (@jk_rowling) May 11, 2015

.@pableshiff @HotmHayles @lankytwat 'What's a good middle name of the period?' Then, the moment I'd committed myself, I thought: uh oh

— J.K. Rowling (@jk_rowling) May 11, 2015

.@BrendanPart @lankytwat I didn't make up 'Warren' on the spot. I already knew Warren.

— J.K. Rowling (@jk_rowling) May 11, 2015